19063420

素因数分解:

$2^2\times 5^1\times {\mathrm{953171}}^1$

素因数の和:953180

約数の個数: 12

約数和(自身を含む): 40033224

約数和(自身を除く): 20969804

約数列:

[1, 2, 4, 5, 10, 20, 953171, 1906342, 3812684, 4765855, 9531710, 19063420]

約数ペア:

[(1, 19063420), (2, 9531710), (4, 4765855), (5, 3812684), (10, 1906342), (20, 953171)]